1 files changed, 60 insertions, 0 deletions
diff --git a/ethereal/ui/library.go b/ethereal/ui/library.go
new file mode 100644
index 000000000..05fffd579
--- /dev/null
+++ b/ethereal/ui/library.go
@@ -0,0 +1,60 @@
+package ethui
+
+import (
+	"encoding/hex"
+	"fmt"
+	"github.com/ethereum/eth-go/ethchain"
+	"github.com/ethereum/eth-go/ethutil"
+	"strings"
+)
+
+type EthLib struct {
+	stateManager *ethchain.StateManager
+	blockChain   *ethchain.BlockChain
+	txPool       *ethchain.TxPool
+}
+
+func (lib *EthLib) CreateTx(receiver, a, data string) string {
+	var hash []byte
+	if len(receiver) == 0 {
+		hash = ethchain.ContractAddr
+	} else {
+		var err error
+		hash, err = hex.DecodeString(receiver)
+		if err != nil {
+			return err.Error()
+		}
+	}
+
+	k, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
+	keyPair := ethutil.NewKeyFromBytes(k)
+
+	amount := ethutil.Big(a)
+	code := ethchain.Compile(strings.Split(data, "\n"))
+	tx := ethchain.NewTransaction(hash, amount, code)
+	tx.Nonce = lib.stateManager.GetAddrState(keyPair.Address()).Nonce
+
+	tx.Sign(keyPair.PrivateKey)
+
+	lib.txPool.QueueTransaction(tx)
+
+	if len(receiver) == 0 {
+		ethutil.Config.Log.Infof("Contract addr %x", tx.Hash()[12:])
+	} else {
+		ethutil.Config.Log.Infof("Tx hash %x", tx.Hash())
+	}
+
+	return ethutil.Hex(tx.Hash())
+}
+
+func (lib *EthLib) GetBlock(hexHash string) *Block {
+	hash, err := hex.DecodeString(hexHash)
+	if err != nil {
+		return nil
+	}
+
+	block := lib.blockChain.GetBlock(hash)
+	fmt.Println(block)
+
+	return &Block{Number: int(block.BlockInfo().Number), Hash: ethutil.Hex(block.Hash())}
+}